
What Causes Painful Sores In The Corner Of Mouth?

Looks like a cold sore (angular chelitis)
Detailed Answer:
Hi,
Welcome to healthcare magic
From the picture it looks like a cold sore here.This can be related to different causes such as bacterial or fungal (yeast) infection, iron deficiency anemia, deficiency of vitamins B.
Cold sores can also be caused by herpes simple virus but I will think this as the last possibility.
1) Apply mupirocin ointment (antibacterial) twice daily with antifungal ointment (clotrimazole 1%).
2) Apply zytee gel if you have severe pain over lips.
3) Oral pain killers such as paracetamol can also be used.
4) Take multivitamins like becosules with folic acid 5 mg once daily for 7 days.
I expect that you will start improving in 3 to 4 days and it may take 7 days to get it healed completely.
In case, If there is no improvement within a week (the time cold sores would normally take to improve), then you should see doctor for assessment for other causes like herpes simplex virus.
I hope this helps, feel free to ask if there is any more question.
Regards,


Cold sores usually red in coluor seen on the lips mostly.
Detailed Answer:
Hello,
Thanks for the quick follow-up.
Cold sore are commonly due to infection or nutritional (vitamins) deficiency mostly seen on the lips or outside the mouth cavity.
Cold sores are small but painful and usually red in color unlike canker sore which are white and yellow colored and seen mostly inside of mouth or along tongue.
The treatment part has no major difference between them unless we found some particular infection in cold sore (like herpes simplex virus) which needs some medical attention.
Regards,

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